* {
  margin: 0 auto;
  max-width: 750px;
  color: white;
  padding: 0;
  text-decoration: none;
  list-style: none;
}
.clear::after,
.clear::before {
  content: "";
  display: table;
}
.clear::after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
.goback {
  display: none;
  right: 0.3333rem;
  bottom: 15%;
  z-index: 1000;
  position: fixed;
  cursor: pointer;
}
.goback img {
  height: 0.6667rem;
}
header {
  height: 1.2rem;
  width: 100%;
  background-color: black;
  position: relative;
}
header div:first-child {
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
  margin-left: 0.5333rem;
}
header div:first-child span {
  font-size: 0.4267rem;
}
header div:first-child span:hover {
  cursor: pointer;
}
header div:last-child {
  position: absolute;
  right: 0.4667rem;
  top: 50%;
  transform: translate(0, -50%);
}
header div:last-child img {
  width: 0.33867rem;
  height: 0.3467rem;
}
header div:last-child img:hover {
  cursor: pointer;
}
.banner {
  height: 1.2rem;
  background-color: #303030;
}
.banner div ul {
  width: 100%;
  display: flex;
  margin: 0 auto;
  flex-flow: row nowrap;
  justify-content: space-around;
}
.banner div ul li {
  text-align: center;
  flex: 0 1 2rem;
  font-size: 0.3467rem;
  line-height: 1.2rem;
}
.banner div ul li:hover {
  cursor: pointer;
}
.banner div ul li:hover a {
  text-decoration: none;
  color: #30dceb;
}
footer div {
  height: 1.6667rem;
  background-color: #303030;
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
}
footer div ul {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  height: 100%;
  width: 100%;
  align-items: center;
  justify-content: space-around;
}
footer div ul li {
  display: flex;
  flex-direction: column;
  max-width: 1.3333rem;
  margin: 0;
  text-align: center;
  flex: 1;
  font-size: 0.2267rem;
  color: #acacac;
}
footer div ul li img {
  height: 0.5867rem;
  margin-bottom: 0.1333rem;
}
footer div ul li:hover {
  cursor: pointer;
  color: #30dceb;
}
footer div ul li:hover #footer1 {
  content: url(../images/首页-首页\ \(1\).png);
}
footer div ul li:hover #footer2 {
  content: url(../images/跑步\ \(1\).png);
}
footer div ul li:hover #footer3 {
  content: url(../images/计划\ \(1\).png);
}
footer div ul li:hover #footer4 {
  content: url(../images/我的\ \(1\).png);
}
